Basic Implemetation of all needed function to take Books and create Students etc.

Missing is the automatic Server Identification and Signing Stuff

BuechermarktClient/Models/Book.cs

@@ -27,6 +27,9 @@ namespace BuechermarktClient.Models
 
    public enum BookState
    {
-
+      InStock,
+      Selled,
+      BackToStudent,
+      Missing
    }
 }